iis - Is there a difference between "Etc/UTC" and "UTC" in logstash? -


im parsing w3c iis logs , i'm using found in this article starter.

but part of logstash config im unsure of:

  ## set event timesteamp log   #   date {     match => [ "log_timestamp", "yyyy-mm-dd hh:mm:ss" ]       timezone => "etc/utc"   }

log_timestamp comes from: match => ["message", "%{timestamp_iso8601:log_timestamp}.....

my question why using "etc/utc" , not "utc"? example find online of logstash config using "etc/utc".

is necessary because of iis? happen if did utc? should identical (etc/utc "long" name) want confirm.

the supported timezones date filter listed here:

http://joda-time.sourceforge.net/timezones.html

etc/utc 1 of allowed timezones universal time coordinated. utc allowed value. they're synonyms.


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